Update sphinx-autobuild to 2024.4.16

[pyup-bot]

This PR updates sphinx-autobuild from 2021.3.14 to 2024.4.16.

Changelog

2024.04.16

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* Add a missing dependency on ``watchfiles``.
* Adopt Ruff in place of flake8 and black.

2024.04.13

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* Drop ``python-livereload``.
* Add ``starlette`` and ``uvicorn`` as dependencies.
* Implement hot reloading via websockets.
* Run Sphinx rebuilds in an asynchronous executor.

2024.02.04

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* Declare support for Python 3.9, 3.10, 3.11, and 3.12
* Drop support for Python 3.8 and earlier
* Allow passing relative paths to ``--ignore``
* Support all valid ``sphinx-build`` options (except Make-mode)
* Fix path issues on Windows
* Differentiate pre-build command failures from Sphinx failures

Links

• PyPI: https://pypi.org/project/sphinx-autobuild
• Changelog: https://data.safetycli.com/changelogs/sphinx-autobuild/

[pyup-bot]

Closing this in favor of #672